Cheapest one-way flights from Boston to Helsinki in August from 214€

AirHint found the following cheapest one-way flights from Boston (BOS) to Helsinki (HEL) in August 2025 (see full year).

One-Way flights

23 Aug Icelandair
26 Aug Icelandair
17 Aug Fly Play

Also check the deals for return flights from Boston to Helsinki in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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